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Name
  X Per  
AAVSO UID
000-BBG-453 (36209 observations)  
Constellation
Perseus Sequence
J2000.0
03 55 23.08 +31 02 45.0  (58.84617 +31.04583) Search nearby
B1950.0 03 52 15.18 +30 54 00.7
Proper motion
RA: -1.330 +/- 0.038 mas/yDec: -1.743 +/- 0.025 mas/ySource: Gaia DR1
Galactic coord. 163.081 -17.136
Other names

(Internal only)
1RXS J035522.4+310257 AAVSO 0349+30 ADS 2859 A
BD+30 591 HD 24534 HIP 18350
HR 1209 MWC 78 SAO 56815
X 03522+308    
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Variability type
GCAS+HMXB/XP
Spectral type B0Ve
Mag. range
6.02 - 6.83 V
Discoverer --
Epoch
--
Outburst --
Period 250.3 d
Rise/eclipse dur. --
Remarks
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1 GCVS Team 3U 0352 + 30. LX/Lopt = 10**(-2). ADS 2859 A (B = V397 Per, M3III, 22.5", 12deg). SB. IR excess. X-ray pulsar (P = 13.93m). Further periodicities were noticed in X-ray, optical, spectroscopic observations: 22.4h, 308.33d, 580.7d.
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References
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1 Catalogue of high-mass X-ray binaries in the Galaxy (4th edition) 2006A&A...455.1165L
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Catalog Data
Information from selected catalogs obtained by cross-matching to 2 arc seconds using the CDS X-Match Service. These data may not be complete.
2MASS J = 6.15H = 6.07K = 5.92J - K = 0.23
AllWISE W1 = 4.60W2 = 3.90W3 = 3.37W4 = 2.70W1 - W2 = 0.70W3 - W4 = 0.67
APASS-DR9 B = 7.17V = 7.14g' = 7.84r' = 7.21i' = 6.41B - V = 0.03
Images
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Supporting Documents
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Revision History
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3 Otero, Sebastian Alberto 2011-05-23 19:43 UTC Primary record creation. Type and orbital period from reference. Range from AAVSO, Hipparcos and GCPD data.
2 Admin, VSX 2010-01-04 23:43 UTC Position updated from the GCVS version of November 2009.
1 Admin, VSX 2005-12-17 20:33 UTC Initial upload.